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Add the build target

um_dbg: bin/um_hg3_dbg.exe

to allow ACCESS ESM 1.5 to use a debug version of UM vn7.3, configured via the ACCESS-NRI/UM_v7 ummodel_hg3/cfg/bld-dbg-hadgem3-C2.cfg FCM config file.

See ACCESS-NRI/MOM5#18 which back ports mppnccombine.c from the master branch of MOM5 to access-esm1.5. To reliably test this change, add an mppnccombine target and instructions to Makefile, making other changes as needed.

Build the UM and cice4.1 submodels from https://github.com/ACCESS-NRI/cmip5 instead of the Subversion repository on NCI Gadi at /g/data/access/access-svn/cmip5.

In detail, try the following changes to Makefile, and adjust as needed:

SUBMODELS_REPO=file:///g/data/access/access-svn/cmip5/branches/dev/jxs599/trunk_ESM1.5/submodels

to

[email protected]:ACCESS-NRI/cmip5.git
SUBMODELS_BRANCH=dev
SUBMODELS_DIR=jxs599/trunk_ESM1.5/submodels

and

svn co $(SUBMODELS_REPO)/UM $@

to

git clone $(SUBMODELS_REPO)
git checkout $(SUBMODELS_BRANCH)
...

and similar for cice4.1.

Bring the Makefile and patch up to date with respect to ACCESS-NRI changes, including

• Changing

src/mom5: | src
	git clone https://github.com/OceansAus/ACCESS-ESM1.5-MOM5.git $@

to

src/mom5: | src
	git clone -b access-esm-1.5 https://github.com/ACCESS-NRI/MOM5.git $@

• Using the access-esm1.5 branches of ACCESS-NRI repositories where they exist.

Build using the https://github.com/ACCESS-NRI/dummygrib, https://github.com/ACCESS-NRI/oasis3-mct/tree/access-esm1.5 and https://github.com/ACCESS-NRI/UM_v7 respositories.

Find all instances where -xHost is used as a compilation flag, and change it to (e.g.)

-march=cascadelake -xCORE-AVX512 -align array64byte

for ifort for MOM5, and

-march=cascadelake -xCORE-AVX512

otherwise. The difference between the MOM5 ifort case and the other cases is that in the other cases either:

1. The -align flag is already being used, or
2. The icc compiler does not recognize the -align array64byte flag.